S-91771A199 8-32 x 1" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Passivated 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized drive efficiency through Phillips No. 2 drive design providing consistent torque transfer and reduced cam-out risk
• Flush mounting capability with standard 82° countersink angle enabling seamless surface integration
• Full-threaded reliability along the entire 1" length for maximum grip strength in various material thicknesses
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 8-32 UNC flat head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and structural integrity are paramount. The Passivated 18-8 Stainless Steel construction provides enhanced protection against chemical exposure and atmospheric corrosion, significantly extending service life in manufacturing equipment, marine components, and outdoor installations. The fully threaded right-hand design with coarse UNC threading ensures rapid installation and superior holding power in both metallic and composite materials. The standard 82° countersink angle facilitates perfect flush mounting in precision assemblies, while the Phillips No. 2 drive system maintains compatibility with standard industrial drivers. Engineered to withstand high-stress applications, these flat head screws provide reliable fastening solutions for machinery frames, electrical enclosures, and structural assemblies where vibration resistance and long-term durability are essential.

Specification Summary & Compliance

Manufactured to exacting dimensional standards with Class 2A thread fit tolerance for consistent performance across industrial applications. Complies with ASME B18.6.3 mechanical and dimensional specifications for flat head screws. Meets environmental compliance requirements including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. Features UNC coarse threads with 8-32 thread size and right-hand threading direction. Manufactured in inch system measurements with 1" length and standard flat head profile.